capacitive touch screen, power button, M-Bus Socket & Pins, I2S amplifier, Built-in speaker, Independent small board built-in 6-axis IMU, RTC, power indicator, ESP32-based, vibration motor, built-in Bluetooth, TF card slot (16G Maximum size), 16M Flash，8M PSRAM, Built-in lithium battery, equipped with power management chip, reset button, WiFi, PDM microphone.
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Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. There’s only 1 record in my database, so I have no idea if the price is OK.
Link: Banggood product page
1. ($63.47): BGSaleFeb8
2. ($64.85): BG589b2e
this code has to be applied in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGM5Aaron, BGRUMB15, BGcorem5, BGAFF10OFF, BGCuponation10, BGHONEY2110, BG71abed, 13f142, BG0782f4, BGf54afe, BGd0b05d, BANGGOODSD, BGb84e2c, 00c906, BG00c906, ADMITAD2212, 2022ACTIESNL, Terence, BG23b8b4, BG4b1323, Tabby20, 2203ActiesNL, BG1efeb0, 8Couponsde, MVC8SPRING, 8BGwbg2204, tRaDetRaCKeR, 8wEbgaInS5, hoNEYbGdeAlS, BGJUNEGSG9, DealBGimpact, BG8ReviTrage, Cuponation9, COUPONSDE1wk, BGcoupon8off, BGGutscheine, BG8OFFCOUPON, JanBGCoupon8
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – M5Stack Core2 ESP32 Board Kit [EU] ($-3)
Price history and price alert
It doesn’t make sense to generate price history chart, because there is one price record which is: $37.99.
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)).