diff --git a/ToDo.md b/ToDo.md
index a828af4..b35ef5e 100644
--- a/ToDo.md
+++ b/ToDo.md
@@ -6,9 +6,11 @@
   - Main display: Color, 62.985mmx51.286mm (3.2"): [3.2" TFT Display SPI no touch on Aliexpress](https://de.aliexpress.com/item/33015586094.html)
   - 3x secondary displays: Monochrome (green?), 28.707x13.94mm (1.26") ~[OLED I2C](https://de.aliexpress.com/item/1005005473564682.html)~ [OLED SPI 7-Pin](https://de.aliexpress.com/item/1005003753680706.html)
   - Tertiary display: 73x21mm (2.99") [1602 Character LCD Green](https://de.aliexpress.com/item/1843542559.html) (+ accompanying parallel to I2C Adapter)
-- [ ] which uC?
+- [x] which uC?
      - [T-Energy ESP32-S3](https://lilygo.cc/products/t-energy-s3)
-- [ ] battery + loading circuit
+- [ ] battery
+- [X] loading circuit
+  - Integrated with uC module
 - [X] NFC reader (ISO 14443-3A) (NXP-NTAG216) (888 Bytes needed!)
 	- [NXP PN532](https://de.aliexpress.com/item/32884787583.html)
 - [X] internet access (wifi? gsm? tethering via BT?)