Tomzn/Hiking MCB238 80A 2P Din Rail wifi MCB
![[BK7231T] Tomzn/Hiking MCB238 80A 2P Din Rail WiFi MCB: Where to Buy, Chip Details & Pinout](https://obrazki.elektroda.pl/2243640600_1676389672_thumb.jpg "[BK7231T] Tomzn/Hiking MCB238 80A 2P Din Rail WiFi MCB: Where to Buy, Chip Details & Pinout")
Where to Buy (aliexpress)
Chip: WB3S (BK7231T)
Flash method: Solder to UART pads. Used BK7231Flasher v 1.0.5. Original Firmware attached.
How to access PCB: Undo two Phillips head screws under the case then pull apart the bottom and top halves. You may need to cut a QC sticker on the side. Pull slowly on the PCB, only friction fit into the case.
Pinout
![[BK7231T] Tomzn/Hiking MCB238 80A 2P Din Rail WiFi MCB: Where to Buy, Chip Details & Pinout](https://obrazki.elektroda.pl/2243640600_1676389672.png "[BK7231T] Tomzn/Hiking MCB238 80A 2P Din Rail WiFi MCB: Where to Buy, Chip Details & Pinout")
Where to Buy (aliexpress)
Chip: WB3S (BK7231T)
Flash method: Solder to UART pads. Used BK7231Flasher v 1.0.5. Original Firmware attached.
How to access PCB: Undo two Phillips head screws under the case then pull apart the bottom and top halves. You may need to cut a QC sticker on the side. Pull slowly on the PCB, only friction fit into the case.
Pinout
| P6 | LED 0 | P8 | BridgeREV 0 | P9 | BridgeFWD 0 | P24 | WifiLED | P26 | Btn 0 |
