License

Public Domain

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logo_fm

3 months ago 76
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
  • Comments

Description

This project is a low-power FM transmitter for a car so one can listen to music over bluetooth while driving. An ESP32 is used with an A2DP sink. It's developed to fit in the ashtray of a 1999 Honda Logo.

Documents

main

PCB_logo_fm

BOM

ID Name Designator Footprint Quantity
1 PJ-399B-6A AUDIO1 AUDIO-TH_PJ-399B-6A 1
2 10uF C1 C0805 1
3 100nF C2 C0805 1
4 4.7uF C3 C0805 1
5 12pF C4,C5 C0603 2
6 560nF C6,C7,C8 C0805 3
7 22nF C9,C14 C0603 2
8 1uF C10,C17 C0603 2
9 47uF C11,C13,C15,C18,C20 C1206 5
10 12nF C12,C19 C0805 2
11 100nF C16 C1206 1
12 1.5uH L1 IND-SMD_L2.5-W2.0_252012 1
13 PWR LED1 LED1206-R-RD 1
14 OLED 0.91 OLED1 OLED_0.91_128X32 1
15 9-DOF IMU P1 9 DOF IMU 1
16 250K R1,R9,R20 R1206 3
17 10K R2,R3,R4,R5,R6,R7 R0603 6
18 1K R8,R12,R14,R17,R19,R23,R25,R28 R0603 8
19 400 R10,R11,R16,R21,R22,R27,R31 R0805 7
20 100K R13,R15,R24,R26 R0603 4
21 10 R18 R0603 1
22 3.3K R29,R30 R0603 2
23 SK-3245S-L1-A SW1 SW-SMD_SK-3245S-L1-A 1
24 PREV SW2 KEY-TH_4P-L6.0-W6.0-P4.50-LS6.5 1
25 PLAY SW3 KEY-TH_4P-L6.0-W6.0-P4.50-LS6.5 1
26 NEXT SW4 KEY-TH_4P-L6.0-W6.0-P4.50-LS6.5 1
27 ANTENNA TP1 TESTPAD 1
28 FUSE U1 F1206 1
29 XC9236A33CMR U2 SOT-25-5_L3.0-W1.8-P0.95-LS3.0-BR 1
30 KT0803L U3 SO-16 1
31 RS724XQ U4 TSSOP-14_L5.0-W4.4-P0.65-LS6.4-BL 1
32 PT8211-S U5 SOP-8_L4.9-W3.9-P1.27-LS6.0-BL 1
33 Ai-Thinker_NodeMCU-32SLUA U6 AI-THINKER_NODEMCU-32SLUA 1
34 TYPE-C 3.1-FEMAME USBC1 USB-C-SMD_TYPE-C-3.1 1
35 32.768KHz X1 OSC-SMD_L2.0-W1.2 1

Attachments

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Members

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