From 052fa3159ac65120855c71883b3e58218cb1d9c0 Mon Sep 17 00:00:00 2001 From: Ray Jones Date: Fri, 11 Jan 2019 01:53:06 +0000 Subject: [PATCH] Create Hardware design files --- Hardware-design-files.md | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 Hardware-design-files.md diff --git a/Hardware-design-files.md b/Hardware-design-files.md new file mode 100644 index 0000000..b407f7a --- /dev/null +++ b/Hardware-design-files.md @@ -0,0 +1,22 @@ +## Schematic + +[DieselHeater.pdf](uploads/fdae5fae2f96549175ded789e84dc991/DieselHeater.pdf) + +### Special parts for "green board" build +**Discrete single pin sockets**: eg: RS 718-5284. (low profile) +![HolTiteSocket](uploads/fc0703aa92c3d3cc559e8b56cd7e57ac/HolTiteSocket.jpg) +These are used allow the OLED to be removed for access to the battery terminals should it need to be replaced (optional). The PCB holes are large so can be easily de-soldered should you choose to do so. +These sockets are also used to allow a FTDI232 USB adapter to be plugged in for flashing and debug purposes. (ESSENTIAL!) + +**M3 Nylon screws and nuts** to secure OLED module. + +**0.1" JST connector sets** (3 pin) for attaching to the heater loom, and remote DS18B20 temperature sensor. +![JST](uploads/fd7e14a64179f690aa58711974ac3f51/JST.jpg) +These connections can be directly soldered to wires if desired. + +**FTDI232 USB adapter** (or similar). +![FTDI232.](uploads/f56bccf61b89999056b10fb7640166f2/FTDI232..jpg) +This is essential for the initial upload of firmware into the ESP32. +Once firmware is installed, Over The Air (OTA) programming can be used for future firmware uploads. +Telnet can also be used for debug stream info. +