Battery Connection Setup

"On the FireBeetle 2 ESP32-E, identify the JST PH2.0 battery input. Connect a 3.7V Lithium Battery symbol to this port. Label the positive line as VBAT."
The JST PH2.0 battery input is J3.
  • Pin 1 of J3 is on the VBAT net.
  • Pin 2 of J3 is GND.
Since this project is read-only from your side of chat, the quickest way to make that edit is to fork it and continue there:
If you want, I can also help you verify the charger path from J3 into the rest of the board.
Verify charger path
Check battery protection
Find VBAT loads
R17
Resistance
10kΩ
VUSB
VUSB
VBAT
VBAT
C3
Capacitance
10uF
Note 1
Line 1
Rprog = 2k; Current = 580 mA
Power
J3
Not Recommended for New Designs
R15
Resistance
2kΩ
U4


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FireBeetle 2 ESP32-E IoT Microcontroller (Supports Wi-Fi & Bluetooth)

FireBeetle 2 ESP32-E IoT Microcontroller (Supports Wi-Fi & Bluetooth) thumbnail
Specially designed for IoT ESP-WROOM-32E-based main controller board with dual-core chips. #ESP32 #ESP32WROOM #RF #WIFI #MCU

Pricing & Availability

Distributor

Qty 1

Arrow

$0.64–$1.83

Digi-Key

$2.89–$102.91

LCSC

$4.94–$5.12

Mouser

$1.47–$3.31

Verical

$0.63–$1.55

Controls