Unlocking module using pyOCD The Ebyte E104-BT5005A module uses nRF52805 as a chip and can be easily unlocked for flashing new firmware by pyOCD command: pyocd cmd --target nrf52805_xxaa -O auto_unlock

Differences The only thing that was different from the original start gcode was the commented out code: ;===== *** filament poop (standard E50) ========== ;G1 E50 F200 ;M400 ;M104 S[nozzle_temperature_initial_layer] ;G92 E0 ;===== *** filament poop (standard E50) ========== ;G1 E50 F200 ;M400 ;M106 P1 S255 ;G92 E0 ;G1 E5 F300 ;M109 S{nozzle_temperature_initial_layer[initial_extruder]-20} ; drop nozzle temp, make filament shink a bit ;G92 E0 ;G1 E-0.5 F300 ;===== vibrate/shake toolhead ;G1 X70 F9000 ;G1 X76 F15000 ;G1 X65 F15000 ;G1 X76 F15000 ;G1 X65 F15000; shake to put down garbage ;G1 X80 F6000 ;G1 X95 F15000 ;G1 X80 F15000 ;G1 X165 F15000; wipe and shake ;M400 ;M106 P1 S0 ;===== prepare print temperature and material end ===== ...

Sysbench test was run on two types of AWS EC2 instances t3.medium (x86-64) and t4g.medium (ARM). The command was executed with the parameters sysbench --test=cpu run. t3.medium: sysbench 1.0.18 (using system LuaJIT 2.1.0-beta3) Running the test with following options: Number of threads: 1 Initializing random number generator from current time Prime numbers limit: 10000 Initializing worker threads... Threads started! CPU speed: events per second: 984.07 General statistics: total time: 10.0008s total number of events: 9843 Latency (ms): min: 0.94 avg: 1.02 max: 8.81 95th percentile: 1.06 sum: 9995.26 Threads fairness: events (avg/stddev): 9843.0000/0.00 execution time (avg/stddev): 9.9953/0.00 t4g.medium: sysbench 1.0.20 (using system LuaJIT 2.1.0-beta3) Running the test with following options: Number of threads: 1 Initializing random number generator from current time Prime numbers limit: 10000 Initializing worker threads... Threads started! CPU speed: events per second: 2807.81 General statistics: total time: 10.0004s total number of events: 28083 Latency (ms): min: 0.35 avg: 0.36 max: 0.43 95th percentile: 0.36 sum: 9995.59 Threads fairness: events (avg/stddev): 28083.0000/0.00 execution time (avg/stddev): 9.9956/0.00

Below is the output of the lscpu (CPU details) command for the AWS EC2 instances with types: t3.small, t2.medium, t3a.xlarge, m5zn.3xlarge, and c6a.large. t3.small lscpu output: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian Address sizes: 46 bits physical, 48 bits virtual CPU(s): 2 On-line CPU(s) list: 0,1 Thread(s) per core: 2 Core(s) per socket: 1 Socket(s): 1 NUMA node(s): 1 Vendor ID: GenuineIntel CPU family: 6 Model: 85 Model name: Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz Stepping: 7 CPU MHz: 2500.004 BogoMIPS: 5000.00 Hypervisor vendor: KVM Virtualization type: full L1d cache: 32 KiB L1i cache: 32 KiB L2 cache: 1 MiB L3 cache: 35.8 MiB NUMA node0 CPU(s): 0,1 Vulnerability Itlb multihit: KVM: Mitigation: VMX unsupported Vulnerability L1tf: Mitigation; PTE Inversion Vulnerability Mds: Vulnerable: Clear CPU buffers attempted, no microcode; SMT Host state unknown Vulnerability Meltdown: Mitigation; PTI Vulnerability Mmio stale data: Vulnerable: Clear CPU buffers attempted, no microcode; SMT Host state unknown Vulnerability Retbleed: Vulnerable Vulnerability Spec store bypass: Vulnerable Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines, STIBP disabled, RSB filling, PBRSB-eIBRS Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss ht syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl xtopology nonstop_ tsc cpuid tsc_known_freq pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm abm 3dnowprefetch inv pcid_single pti fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid mpx avx512f avx512dq rdseed adx smap clflushopt clwb avx512cd avx512bw avx512vl xsaveopt xsavec xgetbv1 xsave s ida arat pku ospke t2.medium lscpu output: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian Address sizes: 46 bits physical, 48 bits virtual CPU(s): 2 On-line CPU(s) list: 0,1 Thread(s) per core: 1 Core(s) per socket: 2 Socket(s): 1 NUMA node(s): 1 Vendor ID: GenuineIntel CPU family: 6 Model: 63 Model name: Intel(R) Xeon(R) CPU E5-2676 v3 @ 2.40GHz Stepping: 2 CPU MHz: 2400.155 BogoMIPS: 4800.10 Hypervisor vendor: Xen Virtualization type: full L1d cache: 64 KiB L1i cache: 64 KiB L2 cache: 512 KiB L3 cache: 30 MiB NUMA node0 CPU(s): 0,1 Vulnerability Itlb multihit: KVM: Mitigation: VMX unsupported Vulnerability L1tf: Mitigation; PTE Inversion Vulnerability Mds: Vulnerable: Clear CPU buffers attempted, no microcode; SMT Host state unknown Vulnerability Meltdown: Mitigation; PTI Vulnerability Mmio stale data: Vulnerable: Clear CPU buffers attempted, no microcode; SMT Host state unknown Vulnerability Retbleed: Not affected Vulnerability Spec store bypass: Vulnerable Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines, STIBP disabled, RSB filling, PBRSB-eIBRS Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx rdtscp lm constant_tsc rep_good nopl xtopology cpuid tsc_known_fre q pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm abm cpuid_fault invpcid_single pti fsgsbase bmi1 avx2 smep bmi2 erms invpcid xsaveopt t3a.xlarge lscpu output: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian Address sizes: 48 bits physical, 48 bits virtual CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 2 Core(s) per socket: 2 Socket(s): 1 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 1 Model name: AMD EPYC 7571 Stepping: 2 CPU MHz: 2199.944 BogoMIPS: 4399.88 Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB L1i cache: 128 KiB L2 cache: 1 MiB L3 cache: 8 MiB NUMA node0 CPU(s): 0-3 Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT vulnera ble Vulnerability Spec store bypass: Vulnerable Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines, STIBP disabled, RSB fil ling, PBRSB-eIBRS Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtr r pge mca cmov pat pse36 clflush mmx fxsr sse s se2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtsc p lm constant_tsc rep_good nopl nonstop_tsc cpu id extd_apicid tsc_known_freq pni pclmulqdq sss e3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsav e avx f16c rdrand hypervisor lahf_lm cmp_legacy cr8_legacy abm sse4a misalignsse 3dnowprefetch topoext vmmcall fsgsbase bmi1 avx2 smep bmi2 r dseed adx smap clflushopt sha_ni xsaveopt xsave c xgetbv1 clzero xsaveerptr arat npt nrip_save m5zn.3xlarge lscpu output: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian Address sizes: 46 bits physical, 48 bits virtual CPU(s): 12 On-line CPU(s) list: 0-11 Thread(s) per core: 2 Core(s) per socket: 6 Socket(s): 1 NUMA node(s): 1 Vendor ID: GenuineIntel CPU family: 6 Model: 85 Model name: Intel(R) Xeon(R) Platinum 8252C CPU @ 3.80GHz Stepping: 7 CPU MHz: 3799.998 BogoMIPS: 7599.99 Hypervisor vendor: KVM Virtualization type: full L1d cache: 192 KiB L1i cache: 192 KiB L2 cache: 6 MiB L3 cache: 24.8 MiB NUMA node0 CPU(s): 0-11 Vulnerability Itlb multihit: KVM: Mitigation: VMX unsupported Vulnerability L1tf: Mitigation; PTE Inversion Vulnerability Mds: Vulnerable: Clear CPU buffers attempted, no microcode; SMT Host state unknown Vulnerability Meltdown: Mitigation; PTI Vulnerability Mmio stale data: Vulnerable: Clear CPU buffers attempted, no microcode; SMT Host state unknown Vulnerability Retbleed: Vulnerable Vulnerability Spec store bypass: Vulnerable Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines, STIBP disabled, RSB filling, PBRSB-eIBRS Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss ht syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl xtopology nonstop_ tsc cpuid aperfmperf tsc_known_freq pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm abm 3dnowp refetch invpcid_single pti fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid mpx avx512f avx512dq rdseed adx smap clflushopt clwb avx512cd avx512bw avx512vl xsaveopt xsavec xg etbv1 xsaves ida arat pku ospke avx512_vnni c6a.large lscpu output: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian Address sizes: 48 bits physical, 48 bits virtual CPU(s): 2 On-line CPU(s) list: 0,1 Thread(s) per core: 2 Core(s) per socket: 1 Socket(s): 1 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 25 Model: 1 Model name: AMD EPYC 7R13 Processor Stepping: 1 CPU MHz: 3087.620 BogoMIPS: 5299.97 Hypervisor vendor: KVM Virtualization type: full L1d cache: 32 KiB L1i cache: 32 KiB L2 cache: 512 KiB L3 cache: 4 MiB NUMA node0 CPU(s): 0,1 Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Retbleed: Not affected Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines, IBPB conditional, IBRS_FW, STIBP conditional, RSB filling, PBRSB-eIBRS Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl nonst op_tsc cpuid extd_apicid aperfmperf tsc_known_freq pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy cr8 _legacy abm sse4a misalignsse 3dnowprefetch topoext invpcid_single ssbd ibrs ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 erms invpcid rdseed adx smap clflushopt clwb sha_ni x saveopt xsavec xgetbv1 clzero xsaveerptr rdpru wbnoinvd arat npt nrip_save vaes vpclmulqdq rdpid

How to download Google Chrome extension Google Chrome extension can be downloaded from the below link by changing the entire string {EXTENSION_ID}, including curly brackets, to the extension id that you need: https://clients2.google.com/service/update2/crx?response=redirect&prodversion=110.0.0.0&x=id%3D{EXTENSION_ID}%26installsource%3Dondemand%26uc&nacl_arch=x86-64&acceptformat=crx2,crx3 This link will download the *.crx file, which should be renamed to *.zip. You can get the extension id from the extension page in the Chrome Web Store. Example For example, you want to download Google Translate extension, this extension has the link https://chrome.google.com/webstore/detail/google-translate/aapbdbdomjkkjkaonfhkkikfgjllcleb and the last part of the url is the extension id: aapbdbdomjkkjkaonfhkkikfgjllcleb. ...