From fc6e3cd125cdcd76e08d64b75359f82550414dde Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?King=20K=C3=A9vin?= Date: Mon, 29 May 2023 11:44:23 +0200 Subject: [PATCH] doc: document project --- README.md | 48 +++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 47 insertions(+), 1 deletion(-) diff --git a/README.md b/README.md index 7c35594..bf610b0 100644 --- a/README.md +++ b/README.md @@ -1,7 +1,53 @@ -these are the hardware design files for **insert project name here**. +these are the hardware design files for the RPH0002 battery connector. +the RPH0002 is a battery back manufacturer by Jinyun Reypu Electronic Technology and used in [OKAI ES400B](https://eu.okai.co/pages/es400b) escooter. purpose ======= +this connector allows the RPH0002 battery to be used a standalone, independently of the escooter. + usage ===== + +plug the connector in either way since it's reversible. +toggle the switch to on, and the nearby LED should light up. +you are ready to use the battery. + +solder thick wires on the BAT+ and BAT- holes to use the battery. + +use the DC barrel jack connector (5.0 mm OD, 2.1 mm ID) to charge the battery. +the charger should be for a 13S battery pack, up to 54.6V and 5A. +the charge LED indicates when the charger is on. +it does not indicate when the charging is complete though. +for that, use the battery's LCD. +when charging, the % should blink, and the charging level displayed. + +when the switch is toggled to off, the battery light turns red. +this clear after 10 minutes. + +while the battery is turned on, the touch button of the battery does not show the level on the display anymore. + + +mode of operation +================= + +the 14 slots on the or for tab plugs, up to 1.5 mm thick, 6.5 mm wide, and 15 mm high. +these are pretty unusual though. +in a pinch, US plug lugs fit pretty well. +the closest PCB tabs I found are 0.8 mm thick (very usual), 6.35 mm wide (common), and 11.97 mm high (quite high). + +the signal of the tab is written next to it on the back. +each signal appears twice because the connector is reversible. +this prevents any issue when the battery is mount the other way around in the escooter, even if the is one way to lock it in. +it also allows to have redundant connections, and increases the contact surface, allowing for letting more current to run through. +the two signals are interconnected in the battery, and is this connector. + +for the battery to fully turn on, the output needs to the constantly connected to the sense signal. +this is what the switch does. +to turn off, just leave the sense signal floating. +when the sense signal is connected to ground, the output will reset periodically and the battery light will blink red. + +the battery also has a CAN interface. +it will ACK any input message. +it will output messages when charging, but their format is unknown yet. +I do not know if it requires any initial message for the battery to run on, but it does not need any message periodically to remain on.