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
CH340K
LDO 3V3
R7
Resistance
10kΩ
R16
Resistance
2kΩ
R13
Resistance
0.1 Ω
R6
Resistance
220 Ω
R5
Resistance
2.2kΩ
R17
Resistance
10kΩ
R8
Resistance
200kΩ
R12
Resistance
2kΩ
R11
Resistance
220 Ω
R4
Resistance
0 Ω
R9
Resistance
1MΩ
R10
Resistance
1MΩ
R14
Resistance
2kΩ
GPIO36
ESP_TX
ESP_RX
CC1
GPIO18
GPIO22
DTR
GPIO34
ESP_IO0
USBDP
GPIO12
USBDN
GPIO23
GPIO14
GPIO15
GPIO14
GPIO21
GPIO2
GPIO34
GPIO19
ESP_IO0
GPIO25
CC2
GPIO2
GPIO22
GPIO26
DTR
ESP_IO0
GPIO21
GPIO16
ESP_IO0
GPIO22
ESP_RX
EN
GPIO13
V3
GPIO16
GPIO19
V3
GPIO36
GPIO15
GPIO5
GPIO12
CC1
GPIO13
GPIO17
RTS
GPIO12
GPIO17
GPIO18
GPIO13
GPIO35
GPIO27
ESP_IO0
GPIO4
EN
GPIO16
GPIO39
GPIO23
GPIO4
GPIO14
GPIO4
USBDN
RST
USBDP
GPIO26
ESP_RX
GPIO2
ESP_TX
GPIO26
GPIO21
GPIO17
CC2
GPIO18
GPIO39
GPIO25
GPIO19
GPIO21
GPIO34
USBDN
GPIO22
GPIO25
USBDP
RTS
GPIO35
ESP_TX
RST
GPIO23
GPIO2
GPIO27
RST
RST
D1
D3
VCC
VUSB
VUSB
VUSB
VUSB
+3V3
VUSB
VBAT
+3V3
D4
D2
VUSB
VUSB
VBAT
+3V3
VBAT
+3V3
VBAT
3V3
+3V3
+3V3
VCC
C6
Capacitance
10uF
U3
USB-C
R1
Resistance
Resistance
Resistance
10kΩ
ESP-32-WROOM-32E
J3
Not Recommended for New Designs
J1
R2
Resistance
Resistance
Resistance
5.1kΩ
USB-UART
R3
Resistance
Resistance
Resistance
5.1kΩ
C1
Capacitance
10uF
C12
Capacitance
100nF
C3
Capacitance
10uF
Note 1
Line 1
Rprog = 2k; Current = 580 mA
C2
Capacitance
100nF
IO PINS
Power
C11
Capacitance
0.1uF
R15
Resistance
2kΩ
LED_GRN
U4
C7
Capacitance
0.1uF
USB-C
RST
U2
G_LED
J2
K1
Q2
Q1
J1.1
D5
Q4
D6
LED1

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    [DFR0654]FireBeetle ESP32-E(V1.0) (Vasyl 2).svg

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

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    Specially designed for IoT ESP-WROOM-32E-based main controller board with dual-core chips. #ESP32 #ESP32WROOM #RF #WIFI #MCU

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