Just check coupons out (with price alert and history). Do you want to know what the best price is?
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Brand: Happymodel, Item Name: F4 1S Flight Controller AIO ESC VTX Receiver Board, Model: DiamondF4
Banggood
Banggood warehouse is located in China. I’m afraid that there’s no working coupon in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): 8wEbgaInS5, pROMo8cuPoN, BG8RCToy, hoNEYbGdeAlS, BGToys1, BGRCT10, BGJUNEGSG9, Cuponation9, COUPONSDE1wk, BGMatt2022, BGGutscheine, BGToys8, BG8OFFCOUPON, TTBLACK5, BGSaleFeb8, BGMARCHSALE, BGAUGUST8, BGCAPITALOS8, BGCOUPERT8, BG8FORMULAMX
(these coupons are old, so probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Happymodel DiamondF4 ELRS FrSky F4 1S Flight Controller 5A [EU] ($-3)
Price history and price alert
Here is price history (for all/most countries) for Happymodel DiamondF4 ELRS FrSky F4 1S Flight Controller 5A.
Price records source(s): Banggood
Click on image to enlarge.
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).