* In rev1 I made a mistake that leads to a short circuit. Hopefully nobody ordered it :-( Current revision is 1.1
* This PCB is not yet tested! Please tell me when you've been testing it successfully.
## Features
* Fits Wemos Lolin D32 (not Lolin32, Lolin D32 pro or Lolin 32 lite!)
* Outer diameter: 53 x 81mm
* JST-PH 2.0-connectors for buttons (2 pins), rotary encoder (5 pins), Neopixel (3 pins), RFID (6 pins) and reset (2 pins). Please note: all of them are NOT 2.54mm pitch but 2.0mm!)
* 2.54mm-connectors for MAX98357a and uSD-card-reader. In contrast to my pictures: better solder them directly onto the PCB without having a female-connector (as socket) in between. In turned out that especially plugging MAX98357a into a female connector can lead to connectivity-issues!
* Mosfet-circuit that switches off MAX98357a, Neopixel, headphone-pcb and uSD-card-reader automatically when deepsleep is active
* All peripherals are solely driven at 3.3V! Keep this especially in mind when choosing uSD-reader. If in doubts use one without voltage-regulator (link below).
* 2.54mm-connectors for MAX98357a and µSD-card-reader. In contrast to my pictures: better solder them directly onto the PCB without having a female-connector (as socket) in between. In turned out that especially plugging MAX98357a into a female connector can lead to connectivity-issues!
* Mosfet-circuit that switches off MAX98357a, Neopixel, headphone-pcb, RFID-reader and µSD-card-reader automatically when deepsleep is active
* All peripherals are solely driven at 3.3V, as 5V isn't available in battery-mode. Keep this especially in mind when choosing µSD-reader. If in doubts use one without voltage-regulator (link below).
* If [headphone-pcb](https://github.com/biologist79/Tonuino-ESP32-I2S/tree/master/PCBs/Headphone%20with%20PCM5102a%20and%20TDA1308) is used, MAX98357a is automatically muted when there's a headphone plugged in and vice versa.
* If `HEADPHONE_ADJUST_ENABLE` is set and a headphone is plugged in, an alternative maximum volume is activated. I added this feature because [headphone-pcb](https://github.com/biologist79/Tonuino-ESP32-I2S/tree/master/PCBs/Headphone%20with%20PCM5102a%20and%20TDA1308) makes use of an amp that (probably) "allows" children to damage ears. This maximum volume can be set and re-adjusted via webgui.
* Reset-button
@ -65,19 +61,19 @@ Uses two SPI-instances. The first one for the RFID-reader and the second for SD-
## Things to mention
* Better don't solder Lolin D32 directly to the PCB. I recommend to make use of female connectors (as socket) instead (link below).
* When ordering a LiPo-battery, make sure to use [one](https://www.eremit.de/p/eremit-3-7v-2500mah-lipo-104050-jst-ph-2-0mm) with deep discharge protection! This is really really really important!!!
* Doesn't (currently) support SD-MMC and RFID-reader PN5180
* Doesn't support SD-MMC and RFID-reader PN5180
## Hardware-setup
The heart of my project is an ESP32 on a [Wemos Lolin D32 development-board](https://de.aliexpress.com/item/32808551116.html). Make sure to install the drivers for the USB/Serial-chip (CP2102 e.g.).
* [(optional) IDC-connector female 6pin for headphone-pcb](https://de.aliexpress.com/item/33029492417.html)
@ -100,7 +96,6 @@ The heart of my project is an ESP32 on a [Wemos Lolin D32 development-board](htt
## Where to order?
* I ordered my PCBs at [jlcpcb](https://jlcpcb.com/). You have to order at least 5 pcs, which is only at 2$ + shipping. It took two weeks to arrive. If you want to have a look at the PCBs first (without having KiCad installed), visit [Gerberlook](https://www.gerblook.org/) and upload `gerber.zip` from the Gerberfiles-folder.
* Enter 31 x 31mm as dimensions in JLCPCB's order-form.
## Do I need to install KiCad?
Unless you don't want to change anything: no! All you need to provide are the gerberfiles (`gerber.zip`) to your manufactur (e.g. [jlcpcb](https://jlcpcb.com/)). However, all Kicad-files used are provided as well.
@ -7,9 +7,9 @@ After I've been asked many times to provide a PCB, I finally did so :-) It makes
* Fits Wemos Lolin32 (not Lolin D32, Lolin D32 pro or Lolin 32 lite!)
* Outer diameter: 56 x 93mm
* JST-PH 2.0-connectors for buttons, rotary encoder, Neopixel, RFID, reset and battery (not 2.54mm pitch!)
* 2.54mm-connectors for MAX98357a and uSD-card-reader. In contrast to my pictures: better solder them directly onto the PCB without having a female-connector (as socket) in between. In turned out that especially plugging MAX98357a into a female connector can lead to connectivity-issues!
* Mosfet-circuit that switches off MAX98357a, Neopixel, headphone-pcb and uSD-card-reader automatically when deepsleep is active
* All peripherals are solely driven at 3.3V! Keep this especially in mind when choosing uSD-reader. If in doubts use one without voltage-regulator (link below).
* 2.54mm-connectors for MAX98357a and µSD-card-reader. In contrast to my pictures: better solder them directly onto the PCB without having a female-connector (as socket) in between. In turned out that especially plugging MAX98357a into a female connector can lead to connectivity-issues!
* Mosfet-circuit that switches off MAX98357a, Neopixel, headphone-pcb, RFID-reader and µSD-card-reader automatically when deepsleep is active.
* All peripherals are solely driven at 3.3V! Keep this especially in mind when choosing µSD-reader. If in doubts use one without voltage-regulator (link below).
* If [headphone-pcb](https://github.com/biologist79/Tonuino-ESP32-I2S/tree/master/PCBs/Headphone%20with%20PCM5102a%20and%20TDA1308) is used, MAX98357a is automatically muted when there's a headphone plugged in and vice versa.
* If `HEADPHONE_ADJUST_ENABLE` is enabled and a headphone is plugged in, an alternative maximum volume is activated. I added this feature because [headphone-pcb](https://github.com/biologist79/Tonuino-ESP32-I2S/tree/master/PCBs/Headphone%20with%20PCM5102a%20and%20TDA1308) makes use of an amp that (probably) "allows" children to damage ears. This maximum volume can be set and re-adjusted via webgui.
* rev2: Reset-pinheader added. Can be used to connect e.g. a [micro switch](https://www.ebay.de/itm/10x-Mini-Taster-Drucktaster-klein-Mikroschalter-6x6x5mm-Arduino-Raspberry-Pi/333273061003) to it, so you can reset Tonuino even in battery-mode from the outside of the enclosure. Micro switch can be placed somewhat hidden at the enclosure.
@ -74,14 +74,14 @@ Uses two SPI-instances. The first one for the RFID-reader and the second for SD-
## Hardware-setup
The heart of my project is an ESP32 on a [Wemos Lolin32 development-board](https://www.ebay.de/itm/4MB-Flash-WEMOS-Lolin32-V1-0-0-WIFI-Bluetooth-Card-Based-ESP-32-ESP-WROOM-32/162716855489). Make sure to install the drivers for the USB/Serial-chip (CP2102 e.g.).
Torsten Stauder
4 years ago