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ESP32

Chrismettal·flipper-zero-backpacks·pcb/ESP32/ESP32.kicad_pcb

Top view of the ESP32 PCB
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ESP32 is an open source ESP32 PCB design by Chrismettal: a 2-layer, 66.4 × 48.1 mm board with 70 components (41 distinct parts). It is built around the AMS1117-3.3, ESP32-S2-MINI-2U. Filed under dev boards & breakouts and iot & wireless.

Backpack-style addon boards for the Flipper Zero!

This is a collection of addon boards for the Flipper Zero multi-tool in the style of a backpack that clips behind the Flipper!

Right now it features only an ESP32 wifi board, like the official wifi devboard, only formatted as a backpack and with an SD card slot fitted. There is also a protoboard to create your own designs in the same formfactor.

The backpack framework is designed to fit snugly to a Flipper inside its silicone case. Without a silicone sleeve, the board will have 2mm of space around the Flipper, which might be undesireable.

ESP32, from the project README
From the project README

Built around

AMS1117-3.3ESP32-S2-MINI-2U

Parts list

70 components, 41 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
AMS1117-3.3
U2
1
ESP32-S2-MINI-2U
ESP32-S2-MINI-2
U3
2
AO3400A
Q1, Q2
6
AO3401A
Q3, Q4, Q9, Q10, Q11, Q12
4
MMDT2907A-7-F
Q5, Q6, Q7, Q8
1
+5V
J1
1
PA7
J2
1
PA6
J3
1
PA4
J4
1
PB3
J5
1
PB2
J6
1
PC3
J7
3
GND
J8, J11, J18
1
3V3
J9
1
SWCLK
J10
1
SWDIO
J12
1
UART_TX
J13
1
UART_RX
J14
1
PC1
J15
1
PC0
J16
Show 21 more
QtyPartRefs
1
PB14
J17
1
C2982555
XUNPU TYPEC-304-ACP16
J19
1
Conn_01x10
J20
1
Conn_01x08
J21
1
Conn_02x08_Odd_Even
J22
1
Conn_01x07
J23
1
MICRO_SD_XUNPU__TF-115
Micro_SD_XUNPU__TF-115
J24
1
C318884
Reset
SW1
1
C318884
Boot
SW2
1
C2874116
LED_RBAG
D1
2
100NF
100nF
C1, C3
2
22UF
22uF
C2, C6
2
10UF
10uF
C4, C5
2
5.1K
R2, R3
1
100R
R4
4
150R
R5, R10, R12, R13
1
510R
R6
2
22R
R7, R8
3
10K
10k
R9, R11, R14
2
4K7
R15, R16
8
100K
100k
R17, R18, R19, R20, R21, R22, R23, R24

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