| | Content summary | |-------------|----------------------| | Post #1 (OP) | “Simplo 12V 50Ah BMS gone into safe mode after undervoltage – any way to reset?” – includes photo of PCB, chip markings (BQ76940, STM32F103). | | Post #2 | Moderator reminder: “Read forum rules – no requests for stolen battery unlocks.” | | Post #3 | Reply with partial schematic: TP1=GND, TP2=SWDIO, TP3=SWCLK, TP4=3.3V. | | Post #4 | Attachment: “simplo_bq76940_dump_2023.zip” (eeprom read via I²C). | | Post #5 | Warning: Do not short B+ to chassis – BMS will permanently lock. | | Post #6 | User reports success using ST-Link v2 and STM32CubeProgrammer to clear failure flags. | | Post #7 | Alternative method: “Use a CP2112 to send 0x05 0xCC to register 0x00 – resets PF (permanent fail).” | | Post #8 | Question: “Will this work on Simplo 2023 production date codes after week 18?” | | Post #9 | Answer: “No, 2023 week 20+ have encrypted bootloader – need boot pin short.” | | Post #10 (end of Page 1) | Link to Page 2: “How to short boot0 pin on STM32F103 without destroying the potting compound.” |
In this article, we will explore:
Driving the Future of Automotive Energy
Look for the “permanent failure” flag. On many Simplo BMS, the PF flag is stored at offset 0x08003A00 (a 16-bit value: 0x0001 = PF active, 0x0000 = normal). This information is almost always first shared on of a deep-dive thread.
For Simplo in 2023, Page 1 of the most popular thread (let’s hypothetically call it “Simplo BMS reset – kein Problem 2023”) included a verified pinout for the port and a known working dump of a 4S LiFePO4 BMS.
Step-by-step guides for timing belts, chains, and gear synchronization with "exploded view" diagrams.
These bullet points are direct echoes of the first page of threads like “Simplo BMS tot – wiederbeleben 2023” and “MHH AUTO - Simplo 48V – Page 1” .
“Our collaboration with MHH AUTO goes beyond component supply. It is a co-engineering partnership designed to deliver fully validated, scalable battery systems that meet the toughest automotive requirements—from extreme climates to high-mileage fleets.” —
Use an or J-Link EDU with STM32CubeProgrammer or OpenOCD .
Designed specifically for young children, a great way to introduce the Arabic alphabet. Take a look at our flashcard video to accompany these flashcards and how to pronounce the letters.
These flashcards are completely FREE for personal, educational and non-commercial use.
| | Content summary | |-------------|----------------------| | Post #1 (OP) | “Simplo 12V 50Ah BMS gone into safe mode after undervoltage – any way to reset?” – includes photo of PCB, chip markings (BQ76940, STM32F103). | | Post #2 | Moderator reminder: “Read forum rules – no requests for stolen battery unlocks.” | | Post #3 | Reply with partial schematic: TP1=GND, TP2=SWDIO, TP3=SWCLK, TP4=3.3V. | | Post #4 | Attachment: “simplo_bq76940_dump_2023.zip” (eeprom read via I²C). | | Post #5 | Warning: Do not short B+ to chassis – BMS will permanently lock. | | Post #6 | User reports success using ST-Link v2 and STM32CubeProgrammer to clear failure flags. | | Post #7 | Alternative method: “Use a CP2112 to send 0x05 0xCC to register 0x00 – resets PF (permanent fail).” | | Post #8 | Question: “Will this work on Simplo 2023 production date codes after week 18?” | | Post #9 | Answer: “No, 2023 week 20+ have encrypted bootloader – need boot pin short.” | | Post #10 (end of Page 1) | Link to Page 2: “How to short boot0 pin on STM32F103 without destroying the potting compound.” |
In this article, we will explore:
Driving the Future of Automotive Energy
Look for the “permanent failure” flag. On many Simplo BMS, the PF flag is stored at offset 0x08003A00 (a 16-bit value: 0x0001 = PF active, 0x0000 = normal). This information is almost always first shared on of a deep-dive thread.
For Simplo in 2023, Page 1 of the most popular thread (let’s hypothetically call it “Simplo BMS reset – kein Problem 2023”) included a verified pinout for the port and a known working dump of a 4S LiFePO4 BMS.
Step-by-step guides for timing belts, chains, and gear synchronization with "exploded view" diagrams.
These bullet points are direct echoes of the first page of threads like “Simplo BMS tot – wiederbeleben 2023” and “MHH AUTO - Simplo 48V – Page 1” .
“Our collaboration with MHH AUTO goes beyond component supply. It is a co-engineering partnership designed to deliver fully validated, scalable battery systems that meet the toughest automotive requirements—from extreme climates to high-mileage fleets.” —
Use an or J-Link EDU with STM32CubeProgrammer or OpenOCD .
Visit our YouTube channel for more videos.
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