In sub-Saharan Africa. there is a high demand for affordable and accessible methods for on-site detection of aflatoxins for appropriate food safety management. In this study. we validated an electrochemical immunosensor device by the on-site detection of 60 maize flour samples from six markets and 72 samples from households in Kampala. https://www.allfixelectricales.shop/product-category/lithium-grease/