Azoteq's high sensitivity used to detect touch on wood with high accuracy. For more info visit: www.azoteq.com/products/proxs... Or contact us at: info@azoteq.com
Hi Yaseming. Azoteq's 9 channel projected capacitive prox and touch controller IC (the IQS333) was used. Please find more information here: www.azoteq.com/product/iqs333/