I have checked all old coupons and price is $8.99 for Raspberry PI RP2040-Zero Microcontroller Board PICO (in Banggood). Get coupons, create price alert or check price history out! You probably want to know what is the best price?
Latest coupon and price update (UTC):
The RP2040 microcontroller chip is designed by Raspberry Pi
Banggood ($8.99)
Banggood warehouse is located in China. Coupons for Raspberry PI RP2040-Zero Microcontroller Board PICO? Nope, there’re no coupons in Banggood. Price? Hmmm, price is higher than average (which is $7.96 right now), so better set price alert down below…
Link: Banggood product page
Price: $8.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): Cuponation9, BG00c906, BG589b2e
(you can check these old coupons out, but these probably won’t work)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for Raspberry PI RP2040-Zero Microcontroller Board PICO.
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)).